benchmark, date, observer, organization, receiver, receiver_sn, receiver_type, antenna, antenna_sn, dome, height (m), slant height (m), interval, first_observation (s)
 slim SLIM_USGS, 2003-09-16,  SHY ,  USGS ,  ASHTECH,  LP019992809 ,  Z-XII3 CD00,  ASH701945B_M,  CR519993706,  NONE, 1.2774, 1.3259, 30, 16390
 slim SLIM_USGS, 2003-09-18,  MAJ ,  USGS ,  ASHTECH,  LP03203 ,  Z-XII3 CD00,  ASH700936E_C,  CR16374,  NONE, 0.9458, 0.9988, 30, 10
 slim SLIM_USGS, 2007-09-17,  SBM ,  USGS ,  ASHTECH,  LP019992804 ,  Z-XII 1L00,  ASH701945B_M,  CR519993706,  NONE, 1.2228, 1.2719, 30, 165230
 slim SLIM_USGS, 2007-09-19,  JLS ,  USGS ,  ASHTECH,  ZE1200331018 ,  Z-X ZE21,  ASH700936D_M,  CR14244,  NONE, 0.6564, 0.7168, 30, 15115
 slim SLIM_USGS, 2011-09-17,  SW ,  USGS ,  ASHTECH,  ZE120023208 ,  Z-X ZE210,  ASH701945E_M,  CR620022601,  NONE, 0.7224, 0.7807, 15, 172915
 slim SLIM_USGS, 2011-09-26,  SAH ,  USGS ,  ASHTECH,  ZE1200526043 ,  Z-X ZE210,  ASH701945B_M,  CR519993706,  NONE, 1.2288, 1.2778, 15, 155045